Description
A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker with high privileges to bypass the Cisco Secure Boot functionality and load unverified software on an affected device. To exploit this successfully, the attacker must have root-system privileges on the affected device.

This vulnerability is due to an error in the software build process. An attacker could exploit this vulnerability by manipulating the system’s configuration options to bypass some of the integrity checks that are performed during the booting process. A successful exploit could allow the attacker to control the boot configuration, which could enable them to bypass of the requirement to run Cisco signed images or alter the security properties of the running system.
Published: 2024-07-10
Score: 6.7 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2024-18171 A vulnerability in the boot process of Cisco IOS XR Software could allow an authenticated, local attacker with high privileges to bypass the Cisco Secure Boot functionality and load unverified software on an affected device. To exploit this successfully, the attacker must have root-system privileges on the affected device. This vulnerability is due to an error in the software build process. An attacker could exploit this vulnerability by manipulating the system&rsquo;s configuration options to bypass some of the integrity checks that are performed during the booting process. A successful exploit could allow the attacker to control the boot configuration, which could enable them to bypass of the requirement to run Cisco signed images or alter the security properties of the running system.
History

Mon, 04 Aug 2025 17:45:00 +0000

Type Values Removed Values Added
First Time appeared Cisco 8011-4g24y4h-i
Cisco 8101-32fh
Cisco 8101-32fh-o
Cisco 8101-32h-o
Cisco 8102-28fh-dpu-o
Cisco 8102-64h
Cisco 8102-64h-o
Cisco 8111-32eh-o
Cisco 8122-64eh-o
Cisco 8122-64ehf-o
Cisco 8201
Cisco 8201-24h8fh
Cisco 8201-32fh
Cisco 8201-32fh-o
Cisco 8202
Cisco 8202-32fh-m
Cisco 8212-48fh-m
Cisco 8404
Cisco 8501-sys-mt
Cisco 8608
Cisco 8700
Cisco 8711-32fh-m
Cisco 8712-mod-m
Cisco 8804
Cisco 8808
Cisco 8812
Cisco 8818
Cisco ios Xr
Cisco ncs 1010
Cisco ncs 1014
Cisco ncs 540-12z20g-sys-a
Cisco ncs 540-12z20g-sys-d
Cisco ncs 540-24q2c2dd-sys
Cisco ncs 540-24q8l2dd-sys
Cisco ncs 540-24z8q2c-sys
Cisco ncs 540-28z4c-sys-a
Cisco ncs 540-28z4c-sys-d
Cisco ncs 540-6z14s-sys-d
Cisco ncs 540-6z18g-sys-a
Cisco ncs 540-6z18g-sys-d
Cisco ncs 540-acc-sys
Cisco ncs 540-fh-agg
Cisco ncs 540-fh-csr-sys
Cisco ncs 540x-12z16g-sys-a
Cisco ncs 540x-12z16g-sys-d
Cisco ncs 540x-16z4g8q2c-a
Cisco ncs 540x-16z4g8q2c-d
Cisco ncs 540x-16z8q2c-d
Cisco ncs 540x-4z14g2q-a
Cisco ncs 540x-4z14g2q-d
Cisco ncs 540x-6z18g-sys-a
Cisco ncs 540x-6z18g-sys-d
Cisco ncs 540x-8z16g-sys-a
Cisco ncs 540x-8z16g-sys-d
Cisco ncs 540x-acc-sys
Cisco ncs 57b1-5dse-sys
Cisco ncs 57b1-6d24-sys
Cisco ncs 57c1-48q6-sys
Cisco ncs 57d2-18dd-sys
CPEs cpe:2.3:h:cisco:8011-4g24y4h-i:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8101-32fh-o:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8101-32fh:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8101-32h-o:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8102-28fh-dpu-o:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8102-64h-o:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8102-64h:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8111-32eh-o:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8122-64eh-o:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8122-64ehf-o:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8201-24h8fh:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8201-32fh-o:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8201-32fh:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8201:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8202-32fh-m:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8202:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8212-48fh-m:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8404:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8501-sys-mt:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8608:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8700:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8711-32fh-m:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8712-mod-m:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8804:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8808:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8812:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:8818:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_1010:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_1014:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540-12z20g-sys-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540-12z20g-sys-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540-24q2c2dd-sys:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540-24q8l2dd-sys:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540-24z8q2c-sys:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540-28z4c-sys-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540-28z4c-sys-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540-6z14s-sys-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540-6z18g-sys-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540-6z18g-sys-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540-acc-sys:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540-fh-agg:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540-fh-csr-sys:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540x-12z16g-sys-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540x-12z16g-sys-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540x-16z4g8q2c-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540x-16z4g8q2c-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540x-16z8q2c-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540x-4z14g2q-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540x-4z14g2q-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540x-6z18g-sys-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540x-6z18g-sys-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540x-8z16g-sys-a:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540x-8z16g-sys-d:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_540x-acc-sys:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_57b1-5dse-sys:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_57b1-6d24-sys:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_57c1-48q6-sys:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ncs_57d2-18dd-sys:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:24.2.1:*:*:*:*:*:*:*
Vendors & Products Cisco 8011-4g24y4h-i
Cisco 8101-32fh
Cisco 8101-32fh-o
Cisco 8101-32h-o
Cisco 8102-28fh-dpu-o
Cisco 8102-64h
Cisco 8102-64h-o
Cisco 8111-32eh-o
Cisco 8122-64eh-o
Cisco 8122-64ehf-o
Cisco 8201
Cisco 8201-24h8fh
Cisco 8201-32fh
Cisco 8201-32fh-o
Cisco 8202
Cisco 8202-32fh-m
Cisco 8212-48fh-m
Cisco 8404
Cisco 8501-sys-mt
Cisco 8608
Cisco 8700
Cisco 8711-32fh-m
Cisco 8712-mod-m
Cisco 8804
Cisco 8808
Cisco 8812
Cisco 8818
Cisco ios Xr
Cisco ncs 1010
Cisco ncs 1014
Cisco ncs 540-12z20g-sys-a
Cisco ncs 540-12z20g-sys-d
Cisco ncs 540-24q2c2dd-sys
Cisco ncs 540-24q8l2dd-sys
Cisco ncs 540-24z8q2c-sys
Cisco ncs 540-28z4c-sys-a
Cisco ncs 540-28z4c-sys-d
Cisco ncs 540-6z14s-sys-d
Cisco ncs 540-6z18g-sys-a
Cisco ncs 540-6z18g-sys-d
Cisco ncs 540-acc-sys
Cisco ncs 540-fh-agg
Cisco ncs 540-fh-csr-sys
Cisco ncs 540x-12z16g-sys-a
Cisco ncs 540x-12z16g-sys-d
Cisco ncs 540x-16z4g8q2c-a
Cisco ncs 540x-16z4g8q2c-d
Cisco ncs 540x-16z8q2c-d
Cisco ncs 540x-4z14g2q-a
Cisco ncs 540x-4z14g2q-d
Cisco ncs 540x-6z18g-sys-a
Cisco ncs 540x-6z18g-sys-d
Cisco ncs 540x-8z16g-sys-a
Cisco ncs 540x-8z16g-sys-d
Cisco ncs 540x-acc-sys
Cisco ncs 57b1-5dse-sys
Cisco ncs 57b1-6d24-sys
Cisco ncs 57c1-48q6-sys
Cisco ncs 57d2-18dd-sys

Subscriptions

Cisco 8011-4g24y4h-i 8101-32fh 8101-32fh-o 8101-32h-o 8102-28fh-dpu-o 8102-64h 8102-64h-o 8111-32eh-o 8122-64eh-o 8122-64ehf-o 8201 8201-24h8fh 8201-32fh 8201-32fh-o 8202 8202-32fh-m 8212-48fh-m 8404 8501-sys-mt 8608 8700 8711-32fh-m 8712-mod-m 8804 8808 8812 8818 Ios Xr Ios Xr Software Ncs 1010 Ncs 1014 Ncs 540-12z20g-sys-a Ncs 540-12z20g-sys-d Ncs 540-24q2c2dd-sys Ncs 540-24q8l2dd-sys Ncs 540-24z8q2c-sys Ncs 540-28z4c-sys-a Ncs 540-28z4c-sys-d Ncs 540-6z14s-sys-d Ncs 540-6z18g-sys-a Ncs 540-6z18g-sys-d Ncs 540-acc-sys Ncs 540-fh-agg Ncs 540-fh-csr-sys Ncs 540x-12z16g-sys-a Ncs 540x-12z16g-sys-d Ncs 540x-16z4g8q2c-a Ncs 540x-16z4g8q2c-d Ncs 540x-16z8q2c-d Ncs 540x-4z14g2q-a Ncs 540x-4z14g2q-d Ncs 540x-6z18g-sys-a Ncs 540x-6z18g-sys-d Ncs 540x-8z16g-sys-a Ncs 540x-8z16g-sys-d Ncs 540x-acc-sys Ncs 57b1-5dse-sys Ncs 57b1-6d24-sys Ncs 57c1-48q6-sys Ncs 57d2-18dd-sys
cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2024-08-01T21:59:42.190Z

Reserved: 2023-11-08T15:08:07.679Z

Link: CVE-2024-20456

cve-icon Vulnrichment

Updated: 2024-08-01T21:59:42.190Z

cve-icon NVD

Status : Analyzed

Published: 2024-07-10T16:15:03.703

Modified: 2025-08-04T17:44:16.417

Link: CVE-2024-20456

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-12T22:00:48Z

Weaknesses